Out-of-bounds read in SDL_image - CVE-2026-35444
Published: April 7, 2026
Vulnerability identifier: #VU125023
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-35444
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: zlib license
Affected software:
SDL_image
SDL_image
Detailed vulnerability description
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to out-of-bounds read in do_layer_surface() in src/IMG_xcf.c when parsing a crafted .xcf file containing out-of-range colormap indices. A remote attacker can trick the victim into opening a crafted file to disclose sensitive information.
The leaked heap bytes are written into the output surface pixel data and may be observable in the rendered image.
How to mitigate CVE-2026-35444
Install security update from vendor's website.